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Finding the Fourth Proportional to 173,830.01, 239,909.72 and 125,588.07

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Solution

The fourth proportional to 173,830.01, 239,909.72 and 125,588.07 is: 173,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,830.01 : 239,909.72 = 125,588.07 : x
  2. Step 2: Convert to fraction form
    173,830.01/239,909.72 = 125,588.07/x
  3. Step 3: Cross multiply
    173,830.01x = 239,909.72 × 125,588.07
  4. Step 4: Simplify right side
    173,830.01x = 30,129,798,709.04
  5. Step 5: Solve for x
    x = 30,129,798,709.04/173,830.01
  6. Step 6: Final answer
    x = 173,329.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.